Efficient thermometer with infrared and contactless function that measures and shows the result in 1 second. The contact-free function means that the thermometer can measure at a distance of 0.5 - 3.0 cm from the forehead, which makes it easy to use on even sleeping children. The thermometer has an alarm in case of fever and also has a memory of 30 measurements. It measures between 32 - 212 degrees Fahrenheit and between 22 - 40 degrees Celsius and in addition it measures a change between Celsius and Fahrenheit. This thermometer has an LCD display and has a night mode with dim lighting, which means it can be used without the light from the screen interfering. The thermometer from Salter uses 2X1.5V AAA batteries, which is included in the package. Product info: Thermometer with infrared and contactless function Measures and displays the result in 1 second Distance to forehead 0.5 - 3.0 cm Easy to use on sleeping children Alarm for fever Memory of 30 measurements Measures between 32 - 212 degrees Fahrenheit Measures between 22 - 40 degrees Celsius Measures change between Celsius and Fahrenheit LCD display Night mode (for low light) Uses 2X1.5V AAA batteries (included)